diff --git a/Dockerfile b/Dockerfile
index a2c2610d..24f81ac6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -40,6 +40,7 @@ FROM debian:bookworm-slim
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates libssl3 \
+    && update-ca-certificates \
     && rm -rf /var/lib/apt/lists/*
 
 COPY --from=builder /app/target/release/ironclaw /usr/local/bin/ironclaw